Resistor 10K Ohm 1/4 Watt

The SMD NE555 555 Timer IC is a versatile, low-power, and widely-used integrated circuit for generating accurate time delays and oscillations in a variety of applications. It has an operating voltage range of 4.5V to 15V and can be triggered and reset on either the rising or falling edge of the input signal. It is available in an 8-pin SMD package and is easy to use, making it a popular choice for many applications. The NE555 555 Timer IC is widely used in oscillators, timers, flashers, alarms, and flip-flops.

PIC16F877A is a 8-bit microcontroller manufactured by Microchip Technology. It is a member of the PIC Microcontroller (Programmable Interface Controller) family. The PIC16F877A has 35 I/O pins, 8 analog inputs, a 16-bit instruction set, and a variety of peripheral options such as timers, UARTs, and PWMs. It operates at a clock speed of up to 20 MHz and has an on-board Flash memory for program storage. The PIC16F877A is a popular choice for various applications such as industrial control, automotive systems, and consumer electronics due to its versatility, cost-effectiveness, and ease of use.